Hi, at first, i have now 1 year experience with ES and i am very happy for this useful and worksaving tool. Now my problem: i am using SQL 2005, ES 2007.1.1119.0,  MyGeneration Version # 1.2.0.7, Infragistics 7.2 in vb.net, net 2.0  My Hierarchical DB-Structure is like following Partner   Addresse   ...